Скачать или смотреть Which Property Determines Molecular Polarity? (Super Easy!) – WAEC 2023 Chemistry Question 30

Which periodic property tells you if a covalent molecule is polar or non-polar? Quick tip every student must know! 🔥🧪 Save for revision!

The periodic property that is used to determine whether a covalent molecule is polar or not is…

Options:

A. atomic radius
B. ionization energy
C. electron affinity
D. electronegativity

Explanation: Polarity in covalent molecules comes from the difference in electronegativity between the bonded atoms.

Large difference → polar molecule

Zero or small difference → non-polar molecule

Other periodic properties (atomic radius, ionization energy, electron affinity) do not directly determine polarity.

So the correct property is: 👉 Electronegativity

✅ Correct Answer: D – electronegativity

Great for WAEC/NECO/JAMB prep — simple marks you should never miss!

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